Equipment for spraying the mold surfaces of multi-part dies

Details Equipment for spraying the mold surfaces of multi-part dies Equipment for spraying the mold surfaces of multi-part dies

1986-10-30

1988-07-26

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

With means applying coating material to work or work contact...

72 44, 239752, 425155, 425228, B29C 4524, B29C 4576, B29C 3944

Patent

active

047597038

ABSTRACT:
The spraying equipment is arranged at a station provided with means for opening and closing the die, e.g. at a preheating station of a plastic injection molding installation. The equipment comprises a spray arm with nozzles, movable, e.g. hydraulically in horizontal and vertical directions, which arm is connected to a spray medium supply. This supply as well as the drive of the spray arm, is automatically controlled via the computer of the injection molding installation in such a way that with the die open, the spray arm is automatically moved into operating position between the die parts and is manufactured in accordance with the tool data picked up by the computer. After completion of the spraying the arm is retracted into an inoperative position outside the die. Operating personnel is superfluous.

REFERENCES:
patent: 2518594 (1950-08-01), Blanchard et al.
patent: 3248762 (1966-05-01), Wagner
patent: 3544355 (1970-12-01), Ott
patent: 3633651 (1972-01-01), Ruhlandt
patent: 3825057 (1974-07-01), Baumann et al.
patent: 3941537 (1976-03-01), Abraham
patent: 4138454 (1979-02-01), Harmon et al.
patent: 4592407 (1986-06-01), Yamaguchi et al.
patent: 4605170 (1986-08-01), Thurner

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